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Wow!

Wow!. A potential alien signal 1977. Ohio State University Radio Telescope, transit instrument (Design similar to Nancay Radio Telescope). Big Ear. Location on Sky. Sweeps across any given part of the sky in 72 sec. 21 cm Hydrogen line. What does the signal mean?.

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Wow!

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  1. Wow! • A potential alien signal • 1977

  2. Ohio State University • Radio Telescope, transit instrument • (Design similar to Nancay Radio Telescope) Big Ear

  3. Location on Sky • Sweeps across any given part of the sky in 72 sec

  4. 21 cm Hydrogen line

  5. What does the signal mean?

  6. Many follow-ups, including: • Oak Ridge Observatory, 1987, 1989 • 12m NRAO West Bank, 1995 • VLA, 1995, 1996 • Mt. Pleasant Radio Obsy, 1999

  7. Conclusion • No clue! • Could be • Alien • Military • Noise (low chance but not impossible) • Probably not… • Accidental human (21cm banned) • Natural astronomical (narrow band) • 2012 Aricebo beamed 10,000 Tweets to that direction of sky

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